applying electrical design documents

[plc_cnc]

I want to study about electrical design as electric box,...But I don't have any documents. Please provide for me some documents,

Thanks,

 

[jstolaruk]

Sorry, you'll have to be more specific. If you can't than I would suggest signing up for classes at your local university.

 

[jfls45]

NEC and UL508

 

[dmargineau]

http://www.nfpa.org/codes-and-standards/document-information-pages?mode=code&code=70

http://www.standardsbox.com/ul-508a-p-805.html

This one is free, however, ten years old:

http://www.dianyuan.com/bbs/u/39/1141660211.pdf

 

[plc_cnc]

Thanks for your help,

I want document to design about control electric box follow standar.